Home / 5,188.62-7,778.58-2,264.70

Finding the Fourth Proportional to 5,188.62, 7,778.58 and 2,264.70

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Solution

The fourth proportional to 5,188.62, 7,778.58 and 2,264.70 is: 3,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.62 : 7,778.58 = 2,264.70 : x
  2. Step 2: Convert to fraction form
    5,188.62/7,778.58 = 2,264.70/x
  3. Step 3: Cross multiply
    5,188.62x = 7,778.58 × 2,264.70
  4. Step 4: Simplify right side
    5,188.62x = 17,616,150.13
  5. Step 5: Solve for x
    x = 17,616,150.13/5,188.62
  6. Step 6: Final answer
    x = 3,395.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.